389946744279314126731

Names of 389946744279314126731

• Cardinal: 389946744279314126731 can be written as Three hundred eighty-nine quintillion, nine hundred forty-six quadrillion, seven hundred forty-four trillion, two hundred seventy-nine billion, three hundred fourteen million, one hundred twenty-six thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 3.89946744279314126731 × 10²⁰

Factors of 389946744279314126731

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 10700

Divisors of 389946744279314126731

• Number of divisors d(n): 12
• Complete list of divisors:
  1 733 9967 537289 7305811 99341089 393832837 5355159463 72817018237 3925331886379 53374874367721 39123782911539493
• Sum of all divisors σ(n): 389946801658193586258
• Sum of proper divisors (its aliquot sum) s(n): 57378879459527
• 389946744279314126731 is a deficient number, because the sum of its proper divisors (57378879459527) is less than itself. Its deficiency is 389946686900434667204

Bases of 389946744279314126731

• Binary: 101010010001110011001001000011110010101001000100110101101011110001011₂
• Hexadecimal: 0x15239921E5489AD78B
• Base-36: 2AAMRSBIST84UJ

Squares and roots of 389946744279314126731

• 389946744279314126731 squared (389946744279314126731²) is 152058463374036804621930009119501128746361
• 389946744279314126731 cubed (389946744279314126731³) is 59294702732820983007862595953267817167984597796742623509075891
• The square root of 389946744279314126731 is 19747069257.9763371511
• 389946744279314126731 is a perfect cube number. Its cube root is 7305811

Scales and comparisons

• 389,946,744,279,314,126,731 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 389,946,744,279,314,126,731 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 389946744279314126731 cubic inches would be around 608817.6 feet tall.

Recreational maths with 389946744279314126731

• 389946744279314126731 backwards is 137621413972447649983
• The number of decimal digits it has is: 21
• The sum of 389946744279314126731's digits is 100
• More coming soon!